Antique radios, Old Time Radios
T1304_RR
|
Country:
Netherlands
|
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| Identical to |
T1304_RR
|
| Similar
Tubes |
Normally replaceable-slightly different:
E443H
; PP4101
; RES964
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
|
| Filament |
Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC |
| Description |
To avoid the Philips penthode patent,Tungsram and Radio Record made a special kind of tetrode with penthode characteristics. In most tube manuals they are listed as a penthode.
|
Dimensions (WHD)
incl. pins / tip |
50 x 128 x 35 mm / 1.97 x 5.04 x 1.38 inch |
| Weight |
59 g / 2.08 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
|
|
T1304_RR
Peter den Boer † 2025
|
Just Qvigstad
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T1304_RR: own collection
Peter den Boer † 2025
|
Collection of
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